Ozaukee County, Wisconsin: Realigning Affluent Suburb county. In 2024, voted R+10%. Democratic peak: D+64 in 1932.
Key facts
- 2024 presidential margin
- R+10MIT Election Lab
- Political typology
- Realigning Affluent SuburbAkashic typology
- Population
- 92,9662024 5-year
- Median household income
- $96,9962024 5-year
- White (non-Hispanic)
- 89.6%2024 5-year
- Black
- 1.5%2024 5-year
- Hispanic / Latino
- 3.7%2024 5-year
- Peak Democratic margin
- D+64 in 1932MIT Election Lab
- Peak Republican margin
- R+58 in 1920MIT Election Lab
- Most similar
- Boone County, IN · similarity 0.99
2024 results by precinct
2024 precinct map of Ozaukee CountyPrecinct-level 2024 presidential results for Ozaukee County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +51.4% |
| 1896 | +11.5% |
| 1900 | +21.4% |
| 1904 | +0.3% |
| 1908 | +20.3% |
| 1912 | +38.0% |
| 1916 | −1.0% |
| 1920 | −57.7% |
| 1924 | −8.6% |
| 1928 | +24.3% |
| 1932 | +64.1% |
| 1936 | +48.1% |
| 1940 | −14.3% |
| 1944 | −22.3% |
| 1948 | −7.7% |
| 1952 | −34.2% |
| 1956 | −40.2% |
| 1960 | −18.0% |
| 1964 | +5.2% |
| 1968 | −23.5% |
| 1972 | −28.5% |
| 1976 | −26.8% |
| 1980 | −30.2% |
| 1984 | −37.6% |
| 1988 | −28.6% |
| 1992 | −25.5% |
| 1996 | −22.6% |
| 2000 | −33.8% |
| 2004 | −32.4% |
| 2008 | −21.7% |
| 2012 | −30.3% |
| 2016 | −18.9% |
| 2020 | −12.0% |
| 2024 | −10.4% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 27,874 | 34,504 | 63,472 | ||
| R | 26,517 | 33,912 | 61,486 | ||
| R | 20,170 | 30,464 | 54,560 | ||
| R | 19,159 | 36,077 | 55,817 | ||
| R | 20,579 | 32,172 | 53,365 | ||
| R | 17,714 | 34,904 | 53,032 | ||
| R | 15,030 | 31,155 | 47,751 | ||
| R | 13,269 | 22,078 | 38,961 | ||
| R | 11,879 | 22,805 | 42,910 | ||
| R | 12,661 | 22,899 | 35,812 | ||
| R | 10,765 | 23,898 | 34,896 | ||
| R | 10,779 | 21,371 | 35,033 | ||
| R | 11,271 | 19,817 | 31,877 | ||
| R | 8,503 | 15,759 | 25,466 | ||
| R | 7,246 | 12,155 | 20,919 | ||
| D | 9,517 | 8,581 | 18,123 | ||
| R | 7,228 | 10,401 | 17,657 | ||
| R | 4,139 | 9,808 | 14,086 | ||
| R | 4,241 | 8,665 | 12,939 | ||
| R | 4,159 | 4,866 | 9,208 | ||
| R | 3,579 | 5,655 | 9,323 | ||
| R | 3,662 | 4,913 | 8,723 | ||
| D | 5,594 | 1,785 | 7,918 | ||
| D | 5,770 | 1,182 | 7,160 | ||
| D | 3,864 | 2,338 | 6,292 | ||
| O | 592 | 1,015 | 4,900 | ||
| R | 835 | 3,523 | 4,660 | ||
| R | 1,577 | 1,610 | 3,258 | ||
| D | 1,878 | 749 | 2,968 | ||
| D | 1,856 | 1,216 | 3,160 | ||
| D | 1,501 | 1,492 | 3,140 | ||
| D | 1,992 | 1,280 | 3,332 | ||
| D | 1,947 | 1,535 | 3,587 | ||
| D | 2,094 | 652 | 2,803 | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
43.2%
Irish
11.8%
Polish
8.8%
English
8.3%
Italian
5.6%
American
3.6%
French
2.9%
African American
1.2%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 43.9 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$96,996
Ozaukee County ranks in the top 5% of US counties.
Ozaukee County$96,996
Wisconsin$77,485
United States$80,734
Ozaukee County ranks in the top 5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
5.0%
Child poverty is below the national average.
Children under 184.8%
Working age (18–64)4.9%
Seniors (65+)6.2%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
94.2%
speak English only
Other Indo-European2.9%
Spanish1.5%
Asian & Pacific Islander1.2%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 42.0% of residents not counted as adherents by any reporting body.
Once reliably among Wisconsin's most Republican counties, Ozaukee has moderated noticeably over the past decade as college-educated suburban voters reshaped its electorate, making its margin a closely watched statewide bellwether.
Once reliably Republican — a margin of fifty-eight points in 1920 at its widest — Ozaukee County has trended Democratic. Between 2020 and 2024 the county moved two points toward the Democratic candidate; the 2024 margin was ten points.
A median household income of $96,996 — among the higher at this geographic scale — and a population of 92,966 describe the county. The county's voting pattern over the last decade is most similar to that of Boone County and Sarpy County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Ozaukee County, Wisconsin. Akashic. https://akashic.app/county/55089/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Ozaukee County, Wisconsin vote in 2024?
In 2024, Ozaukee County, Wisconsin voted Republican by 10.4 points (R+10), carried by the Republican candidate. Out of 63,472 votes cast, 27,874 went Democratic and 34,504 went Republican.
What is Ozaukee County, Wisconsin's political typology?
Akashic places Ozaukee County, Wisconsin in the "Realigning Affluent Suburb" typology — College-educated, affluent suburbs — the one bloc moving toward the Democratic Party. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 10 times, Republican 23 times, and other 1 times.
When did Ozaukee County, Wisconsin last vote Democratic?
The most recent presidential election in which Ozaukee County, Wisconsin voted Democratic was 1964.
How many people live in Ozaukee County, Wisconsin?
Ozaukee County, Wisconsin has a population of 92,966 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ozaukee County, Wisconsin?
Median household income in Ozaukee County, Wisconsin is $96,996 — above the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of Ozaukee County, Wisconsin?
Akashic tracks 38 presidential elections in Ozaukee County, Wisconsin from 1876 to 2024. Of those, 10 went Democratic and 23 went Republican. The county's typology — "Realigning Affluent Suburb" — captures where that record, its demographics, and its recent swing place it among American communities.